package cn.tedu._05mvcboot03.interceptors;

import cn.tedu._05mvcboot03.common.respose.JsonResult;
import cn.tedu._05mvcboot03.common.respose.StatusCode;
import cn.tedu._05mvcboot03.pojo.vo.UserVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@Slf4j
public class UserLoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        log.debug("拦截器中进行了用户登录状态的校验");
        HttpSession session =  request.getSession();
       UserVO userVO =(UserVO) session.getAttribute("user");
       if (userVO==null){
           response.sendRedirect("/index.html");
           return false;
       }
       return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
